The Number

13185

Thirteen Thousand One Hundred and Eighty-Five

In Base 21 Unovigesimal Is

18ii21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Thirteen Thousand One Hundred and Eighty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

13182
18if21
Thirteen Thousand One Hundred and Eighty-Two in Base 21 Unovigesimal
13183
18ig21
Thirteen Thousand One Hundred and Eighty-Three in Base 21 Unovigesimal
13184
18ih21
Thirteen Thousand One Hundred and Eighty-Four in Base 21 Unovigesimal
13186
18ij21
Thirteen Thousand One Hundred and Eighty-Six in Base 21 Unovigesimal
13187
18ik21
Thirteen Thousand One Hundred and Eighty-Seven in Base 21 Unovigesimal
13188
18j021
Thirteen Thousand One Hundred and Eighty-Eight in Base 21 Unovigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.3185e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000effh6jecfch321

The reciprocal of 13185 in Base 21 Unovigesimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 18ii21 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Thirteen thousand one hundred and eighty-five is a composite number with 12 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand one hundred and eighty-five is a composite number with 12 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number thirteen thousand one hundred and eighty-five has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
293
dk21
Two Hundred and Ninety-Three in Base 21 Unovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3212 · 5211 · dk211 = 18ii21

Base Conversions

The number thirteen thousand one hundred and eighty-five in 35 different bases